Home / 136,730.33-205,094.63-73,580.20

Finding the Fourth Proportional to 136,730.33, 205,094.63 and 73,580.20

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Solution

The fourth proportional to 136,730.33, 205,094.63 and 73,580.20 is: 110,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,730.33 : 205,094.63 = 73,580.20 : x
  2. Step 2: Convert to fraction form
    136,730.33/205,094.63 = 73,580.20/x
  3. Step 3: Cross multiply
    136,730.33x = 205,094.63 × 73,580.20
  4. Step 4: Simplify right side
    136,730.33x = 15,090,903,565.54
  5. Step 5: Solve for x
    x = 15,090,903,565.54/136,730.33
  6. Step 6: Final answer
    x = 110,369.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.